diff options
Diffstat (limited to 'target/linux/adm5120/files-2.6.26/drivers/usb/host/adm5120.h')
| -rw-r--r-- | target/linux/adm5120/files-2.6.26/drivers/usb/host/adm5120.h | 762 |
1 files changed, 0 insertions, 762 deletions
diff --git a/target/linux/adm5120/files-2.6.26/drivers/usb/host/adm5120.h b/target/linux/adm5120/files-2.6.26/drivers/usb/host/adm5120.h deleted file mode 100644 index 7c47cb8b7d..0000000000 --- a/target/linux/adm5120/files-2.6.26/drivers/usb/host/adm5120.h +++ /dev/null @@ -1,762 +0,0 @@ -/* - * ADM5120 HCD (Host Controller Driver) for USB - * - * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org> - * - * This file was derived from: drivers/usb/host/ohci.h - * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at> - * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - */ - -/* - * __hc32 and __hc16 are "Host Controller" types, they may be equivalent to - * __leXX (normally) or __beXX (given OHCI_BIG_ENDIAN), depending on the - * host controller implementation. - */ -typedef __u32 __bitwise __hc32; -typedef __u16 __bitwise __hc16; - -/* - * OHCI Endpoint Descriptor (ED) ... holds TD queue - * See OHCI spec, section 4.2 - * - * This is a "Queue Head" for those transfers, which is why - * both EHCI and UHCI call similar structures a "QH". - */ - -#define TD_DATALEN_MAX 4096 - -#define ED_ALIGN 16 -#define ED_MASK ((u32)~(ED_ALIGN-1)) /* strip hw status in low addr bits */ - -struct ed { - /* first fields are hardware-specified */ - __hc32 hwINFO; /* endpoint config bitmap */ - /* info bits defined by hcd */ -#define ED_DEQUEUE (1 << 27) - /* info bits defined by the hardware */ -#define ED_MPS_SHIFT 16 -#define ED_MPS_MASK ((1 << 11)-1) -#define ED_MPS_GET(x) (((x) >> ED_MPS_SHIFT) & ED_MPS_MASK) -#define ED_ISO (1 << 15) /* isochronous endpoint */ -#define ED_SKIP (1 << 14) -#define ED_SPEED_FULL (1 << 13) /* fullspeed device */ -#define ED_INT (1 << 11) /* interrupt endpoint */ -#define ED_EN_SHIFT 7 /* endpoint shift */ -#define ED_EN_MASK ((1 << 4)-1) /* endpoint mask */ -#define ED_EN_GET(x) (((x) >> ED_EN_SHIFT) & ED_EN_MASK) -#define ED_FA_MASK ((1 << 7)-1) /* function address mask */ -#define ED_FA_GET(x) ((x) & ED_FA_MASK) - __hc32 hwTailP; /* tail of TD list */ - __hc32 hwHeadP; /* head of TD list (hc r/w) */ -#define ED_C (0x02) /* toggle carry */ -#define ED_H (0x01) /* halted */ - __hc32 hwNextED; /* next ED in list */ - - /* rest are purely for the driver's use */ - dma_addr_t dma; /* addr of ED */ - struct td *dummy; /* next TD to activate */ - - struct list_head urb_list; /* list of our URBs */ - - /* host's view of schedule */ - struct ed *ed_next; /* on schedule list */ - struct ed *ed_prev; /* for non-interrupt EDs */ - struct ed *ed_rm_next; /* on rm list */ - struct list_head td_list; /* "shadow list" of our TDs */ - - /* create --> IDLE --> OPER --> ... --> IDLE --> destroy - * usually: OPER --> UNLINK --> (IDLE | OPER) --> ... - */ - u8 state; /* ED_{IDLE,UNLINK,OPER} */ -#define ED_IDLE 0x00 /* NOT linked to HC */ -#define ED_UNLINK 0x01 /* being unlinked from hc */ -#define ED_OPER 0x02 /* IS linked to hc */ - - u8 type; /* PIPE_{BULK,...} */ - - /* periodic scheduling params (for intr and iso) */ - u8 branch; - u16 interval; - u16 load; - u16 last_iso; /* iso only */ - - /* HC may see EDs on rm_list until next frame (frame_no == tick) */ - u16 tick; -} __attribute__ ((aligned(ED_ALIGN))); - -/* - * OHCI Transfer Descriptor (TD) ... one per transfer segment - * See OHCI spec, sections 4.3.1 (general = control/bulk/interrupt) - * and 4.3.2 (iso) - */ - -#define TD_ALIGN 32 -#define TD_MASK ((u32)~(TD_ALIGN-1)) /* strip hw status in low addr bits */ - -struct td { - /* first fields are hardware-specified */ - __hc32 hwINFO; /* transfer info bitmask */ - - /* hwINFO bits */ -#define TD_OWN (1 << 31) /* owner of the descriptor */ -#define TD_CC_SHIFT 27 /* condition code */ -#define TD_CC_MASK 0xf -#define TD_CC (TD_CC_MASK << TD_CC_SHIFT) -#define TD_CC_GET(x) (((x) >> TD_CC_SHIFT) & TD_CC_MASK) - -#define TD_EC_SHIFT 25 /* error count */ -#define TD_EC_MASK 0x3 -#define TD_EC (TD_EC_MASK << TD_EC_SHIFT) -#define TD_EC_GET(x) ((x >> TD_EC_SHIFT) & TD_EC_MASK) -#define TD_T_SHIFT 23 /* data toggle state */ -#define TD_T_MASK 0x3 -#define TD_T (TD_T_MASK << TD_T_SHIFT) -#define TD_T_DATA0 (0x2 << TD_T_SHIFT) /* DATA0 */ -#define TD_T_DATA1 (0x3 << TD_T_SHIFT) /* DATA1 */ -#define TD_T_CARRY (0x0 << TD_T_SHIFT) /* uses ED_C */ -#define TD_T_GET(x) (((x) >> TD_T_SHIFT) & TD_T_MASK) -#define TD_DP_SHIFT 21 /* direction/pid */ -#define TD_DP_MASK 0x3 -#define TD_DP (TD_DP_MASK << TD_DP_SHIFT) -#define TD_DP_GET (((x) >> TD_DP_SHIFT) & TD_DP_MASK) -#define TD_DP_SETUP (0x0 << TD_DP_SHIFT) /* SETUP pid */ -#define TD_DP_OUT (0x1 << TD_DP_SHIFT) /* OUT pid */ -#define TD_DP_IN (0x2 << TD_DP_SHIFT) /* IN pid */ -#define TD_ISI_SHIFT 8 /* Interrupt Service Interval */ -#define TD_ISI_MASK 0x3f -#define TD_ISI_GET(x) (((x) >> TD_ISI_SHIFT) & TD_ISI_MASK) -#define TD_FN_MASK 0x3f /* frame number */ -#define TD_FN_GET(x) ((x) & TD_FN_MASK) - - __hc32 hwDBP; /* Data Buffer Pointer (or 0) */ - __hc32 hwCBL; /* Controller/Buffer Length */ - - /* hwCBL bits */ -#define TD_BL_MASK 0xffff /* buffer length */ -#define TD_BL_GET(x) ((x) & TD_BL_MASK) -#define TD_IE (1 << 16) /* interrupt enable */ - __hc32 hwNextTD; /* Next TD Pointer */ - - /* rest are purely for the driver's use */ - __u8 index; - struct ed *ed; - struct td *td_hash; /* dma-->td hashtable */ - struct td *next_dl_td; - struct urb *urb; - - dma_addr_t td_dma; /* addr of this TD */ - dma_addr_t data_dma; /* addr of data it points to */ - - struct list_head td_list; /* "shadow list", TDs on same ED */ - - u32 flags; -#define TD_FLAG_DONE (1 << 17) /* retired to done list */ -#define TD_FLAG_ISO (1 << 16) /* copy of ED_ISO */ -} __attribute__ ((aligned(TD_ALIGN))); /* c/b/i need 16; only iso needs 32 */ - -/* - * Hardware transfer status codes -- CC from td->hwINFO - */ -#define TD_CC_NOERROR 0x00 -#define TD_CC_CRC 0x01 -#define TD_CC_BITSTUFFING 0x02 -#define TD_CC_DATATOGGLEM 0x03 -#define TD_CC_STALL 0x04 -#define TD_CC_DEVNOTRESP 0x05 -#define TD_CC_PIDCHECKFAIL 0x06 -#define TD_CC_UNEXPECTEDPID 0x07 -#define TD_CC_DATAOVERRUN 0x08 -#define TD_CC_DATAUNDERRUN 0x09 - /* 0x0A, 0x0B reserved for hardware */ -#define TD_CC_BUFFEROVERRUN 0x0C -#define TD_CC_BUFFERUNDERRUN 0x0D - /* 0x0E, 0x0F reserved for HCD */ -#define TD_CC_HCD0 0x0E -#define TD_CC_NOTACCESSED 0x0F - -/* - * preshifted status codes - */ -#define TD_SCC_NOTACCESSED (TD_CC_NOTACCESSED << TD_CC_SHIFT) - - -/* map OHCI TD status codes (CC) to errno values */ -static const int cc_to_error [16] = { - /* No Error */ 0, - /* CRC Error */ -EILSEQ, - /* Bit Stuff */ -EPROTO, - /* Data Togg */ -EILSEQ, - /* Stall */ -EPIPE, - /* DevNotResp */ -ETIME, - /* PIDCheck */ -EPROTO, - /* UnExpPID */ -EPROTO, - /* DataOver */ -EOVERFLOW, - /* DataUnder */ -EREMOTEIO, - /* (for hw) */ -EIO, - /* (for hw) */ -EIO, - /* BufferOver */ -ECOMM, - /* BuffUnder */ -ENOSR, - /* (for HCD) */ -EALREADY, - /* (for HCD) */ -EALREADY -}; - -#define NUM_INTS 32 - -/* - * This is the structure of the OHCI controller's memory mapped I/O region. - * You must use readl() and writel() (in <asm/io.h>) to access these fields!! - * Layout is in section 7 (and appendix B) of the spec. - */ -struct admhcd_regs { - __hc32 gencontrol; /* General Control */ - __hc32 int_status; /* Interrupt Status */ - __hc32 int_enable; /* Interrupt Enable */ - __hc32 reserved00; - __hc32 host_control; /* Host General Control */ - __hc32 reserved01; - __hc32 fminterval; /* Frame Interval */ - __hc32 fmnumber; /* Frame Number */ - __hc32 reserved02; - __hc32 reserved03; - __hc32 reserved04; - __hc32 reserved05; - __hc32 reserved06; - __hc32 reserved07; - __hc32 reserved08; - __hc32 reserved09; - __hc32 reserved10; - __hc32 reserved11; - __hc32 reserved12; - __hc32 reserved13; - __hc32 reserved14; - __hc32 reserved15; - __hc32 reserved16; - __hc32 reserved17; - __hc32 reserved18; - __hc32 reserved19; - __hc32 reserved20; - __hc32 reserved21; - __hc32 lsthresh; /* Low Speed Threshold */ - __hc32 rhdesc; /* Root Hub Descriptor */ -#define MAX_ROOT_PORTS 2 - __hc32 portstatus[MAX_ROOT_PORTS]; /* Port Status */ - __hc32 hosthead; /* Host Descriptor Head */ -} __attribute__ ((aligned(32))); - -/* - * General Control register bits - */ -#define ADMHC_CTRL_UHFE (1 << 0) /* USB Host Function Enable */ -#define ADMHC_CTRL_SIR (1 << 1) /* Software Interrupt request */ -#define ADMHC_CTRL_DMAA (1 << 2) /* DMA Arbitration Control */ -#define ADMHC_CTRL_SR (1 << 3) /* Software Reset */ - -/* - * Host General Control register bits - */ -#define ADMHC_HC_BUSS 0x3 /* USB bus state */ -#define ADMHC_BUSS_RESET 0x0 -#define ADMHC_BUSS_RESUME 0x1 -#define ADMHC_BUSS_OPER 0x2 -#define ADMHC_BUSS_SUSPEND 0x3 -#define ADMHC_HC_DMAE (1 << 2) /* DMA enable */ - -/* - * Interrupt Status/Enable register bits - */ -#define ADMHC_INTR_SOFI (1 << 4) /* start of frame */ -#define ADMHC_INTR_RESI (1 << 5) /* resume detected */ -#define ADMHC_INTR_6 (1 << 6) /* unknown */ -#define ADMHC_INTR_7 (1 << 7) /* unknown */ -#define ADMHC_INTR_BABI (1 << 8) /* babble detected */ -#define ADMHC_INTR_INSM (1 << 9) /* root hub status change */ -#define ADMHC_INTR_SO (1 << 10) /* scheduling overrun */ -#define ADMHC_INTR_FNO (1 << 11) /* frame number overflow */ -#define ADMHC_INTR_TDC (1 << 20) /* transfer descriptor completed */ -#define ADMHC_INTR_SWI (1 << 29) /* software interrupt */ -#define ADMHC_INTR_FATI (1 << 30) /* fatal error */ -#define ADMHC_INTR_INTA (1 << 31) /* interrupt active */ - -#define ADMHC_INTR_MIE (1 << 31) /* master interrupt enable */ - -/* - * SOF Frame Interval register bits - */ -#define ADMHC_SFI_FI_MASK ((1 << 14)-1) /* Frame Interval value */ -#define ADMHC_SFI_FSLDP_SHIFT 16 -#define ADMHC_SFI_FSLDP_MASK ((1 << 15)-1) -#define ADMHC_SFI_FIT (1 << 31) /* Frame Interval Toggle */ - -/* - * SOF Frame Number register bits - */ -#define ADMHC_SFN_FN_MASK ((1 << 16)-1) /* Frame Number Mask */ -#define ADMHC_SFN_FR_SHIFT 16 /* Frame Remaining Shift */ -#define ADMHC_SFN_FR_MASK ((1 << 14)-1) /* Frame Remaining Mask */ -#define ADMHC_SFN_FRT (1 << 31) /* Frame Remaining Toggle */ - -/* - * Root Hub Descriptor register bits - */ -#define ADMHC_RH_NUMP 0xff /* number of ports */ -#define ADMHC_RH_PSM (1 << 8) /* power switching mode */ -#define ADMHC_RH_NPS (1 << 9) /* no power switching */ -#define ADMHC_RH_OCPM (1 << 10) /* over current protection mode */ -#define ADMHC_RH_NOCP (1 << 11) /* no over current protection */ -#define ADMHC_RH_PPCM (0xff << 16) /* port power control */ - -#define ADMHC_RH_LPS (1 << 24) /* local power switch */ -#define ADMHC_RH_OCI (1 << 25) /* over current indicator */ - -/* status change bits */ -#define ADMHC_RH_LPSC (1 << 26) /* local power switch change */ -#define ADMHC_RH_OCIC (1 << 27) /* over current indicator change */ - -#define ADMHC_RH_DRWE (1 << 28) /* device remote wakeup enable */ -#define ADMHC_RH_CRWE (1 << 29) /* clear remote wakeup enable */ - -#define ADMHC_RH_CGP (1 << 24) /* clear global power */ -#define ADMHC_RH_SGP (1 << 26) /* set global power */ - -/* - * Port Status register bits - */ -#define ADMHC_PS_CCS (1 << 0) /* current connect status */ -#define ADMHC_PS_PES (1 << 1) /* port enable status */ -#define ADMHC_PS_PSS (1 << 2) /* port suspend status */ -#define ADMHC_PS_POCI (1 << 3) /* port over current indicator */ -#define ADMHC_PS_PRS (1 << 4) /* port reset status */ -#define ADMHC_PS_PPS (1 << 8) /* port power status */ -#define ADMHC_PS_LSDA (1 << 9) /* low speed device attached */ - -/* status change bits */ -#define ADMHC_PS_CSC (1 << 16) /* connect status change */ -#define ADMHC_PS_PESC (1 << 17) /* port enable status change */ -#define ADMHC_PS_PSSC (1 << 18) /* port suspend status change */ -#define ADMHC_PS_OCIC (1 << 19) /* over current indicator change */ -#define ADMHC_PS_PRSC (1 << 20) /* port reset status change */ - -/* port feature bits */ -#define ADMHC_PS_CPE (1 << 0) /* clear port enable */ -#define ADMHC_PS_SPE (1 << 1) /* set port enable */ -#define ADMHC_PS_SPS (1 << 2) /* set port suspend */ -#define ADMHC_PS_CPS (1 << 3) /* clear suspend status */ -#define ADMHC_PS_SPR (1 << 4) /* set port reset */ -#define ADMHC_PS_SPP (1 << 8) /* set port power */ -#define ADMHC_PS_CPP (1 << 9) /* clear port power */ - -/* - * the POTPGT value is not defined in the ADMHC, so define a dummy value - */ -#define ADMHC_POTPGT 2 /* in ms */ - -/* hcd-private per-urb state */ -struct urb_priv { - struct ed *ed; - struct list_head pending; /* URBs on the same ED */ - - u32 td_cnt; /* # tds in this request */ - u32 td_idx; /* index of the current td */ - struct td *td[0]; /* all TDs in this request */ -}; - -#define TD_HASH_SIZE 64 /* power'o'two */ -/* sizeof (struct td) ~= 64 == 2^6 ... */ -#define TD_HASH_FUNC(td_dma) ((td_dma ^ (td_dma >> 6)) % TD_HASH_SIZE) - -/* - * This is the full ADMHCD controller description - * - * Note how the "proper" USB information is just - * a subset of what the full implementation needs. (Linus) - */ - -struct admhcd { - spinlock_t lock; - - /* - * I/O memory used to communicate with the HC (dma-consistent) - */ - struct admhcd_regs __iomem *regs; - - /* - * hcd adds to schedule for a live hc any time, but removals finish - * only at the start of the next frame. - */ - - struct ed *ed_head; - struct ed *ed_tails[4]; - - struct ed *ed_rm_list; /* to be removed */ - - struct ed *periodic[NUM_INTS]; /* shadow int_table */ - -#if 0 /* TODO: remove? */ - /* - * OTG controllers and transceivers need software interaction; - * other external transceivers should be software-transparent - */ - struct otg_transceiver *transceiver; -#endif - - /* - * memory management for queue data structures - */ - struct dma_pool *td_cache; - struct dma_pool *ed_cache; - struct td *td_hash[TD_HASH_SIZE]; - struct list_head pending; - - /* - * driver state - */ - int num_ports; - int load[NUM_INTS]; - u32 host_control; /* copy of the host_control reg */ - unsigned long next_statechange; /* suspend/resume */ - u32 fminterval; /* saved register */ - unsigned autostop:1; /* rh auto stopping/stopped */ - - unsigned long flags; /* for HC bugs */ -#define OHCI_QUIRK_AMD756 0x01 /* erratum #4 */ -#define OHCI_QUIRK_SUPERIO 0x02 /* natsemi */ -#define OHCI_QUIRK_INITRESET 0x04 /* SiS, OPTi, ... */ -#define OHCI_QUIRK_BE_DESC 0x08 /* BE descriptors */ -#define OHCI_QUIRK_BE_MMIO 0x10 /* BE registers */ -#define OHCI_QUIRK_ZFMICRO 0x20 /* Compaq ZFMicro chipset*/ - // there are also chip quirks/bugs in init logic - -#ifdef DEBUG - struct dentry *debug_dir; - struct dentry *debug_async; - struct dentry *debug_periodic; - struct dentry *debug_registers; -#endif -}; - -/* convert between an hcd pointer and the corresponding ahcd_hcd */ -static inline struct admhcd *hcd_to_admhcd(struct usb_hcd *hcd) -{ - return (struct admhcd *)(hcd->hcd_priv); -} -static inline struct usb_hcd *admhcd_to_hcd(const struct admhcd *ahcd) -{ - return container_of((void *)ahcd, struct usb_hcd, hcd_priv); -} - -/*-------------------------------------------------------------------------*/ - -#ifndef DEBUG -#define STUB_DEBUG_FILES -#endif /* DEBUG */ - -#ifdef DEBUG -# define admhc_dbg(ahcd, fmt, args...) \ - printk(KERN_DEBUG "adm5120-hcd: " fmt , ## args ) -#else -# define admhc_dbg(ahcd, fmt, args...) do { } while (0) -#endif - -#define admhc_err(ahcd, fmt, args...) \ - printk(KERN_ERR "adm5120-hcd: " fmt , ## args ) -#define admhc_info(ahcd, fmt, args...) \ - printk(KERN_INFO "adm5120-hcd: " fmt , ## args ) -#define admhc_warn(ahcd, fmt, args...) \ - printk(KERN_WARNING "adm5120-hcd: " fmt , ## args ) - -#ifdef ADMHC_VERBOSE_DEBUG -# define admhc_vdbg admhc_dbg -#else -# define admhc_vdbg(ahcd, fmt, args...) do { } while (0) -#endif - -/*-------------------------------------------------------------------------*/ - -/* - * While most USB host controllers implement their registers and - * in-memory communication descriptors in little-endian format, - * a minority (notably the IBM STB04XXX and the Motorola MPC5200 - * processors) implement them in big endian format. - * - * In addition some more exotic implementations like the Toshiba - * Spider (aka SCC) cell southbridge are "mixed" endian, that is, - * they have a different endianness for registers vs. in-memory - * descriptors. - * - * This attempts to support either format at compile time without a - * runtime penalty, or both formats with the additional overhead - * of checking a flag bit. - * - * That leads to some tricky Kconfig rules howevber. There are - * different defaults based on some arch/ppc platforms, though - * the basic rules are: - * - * Controller type Kconfig options needed - * --------------- ---------------------- - * little endian CONFIG_USB_ADMHC_LITTLE_ENDIAN - * - * fully big endian CONFIG_USB_ADMHC_BIG_ENDIAN_DESC _and_ - * CONFIG_USB_ADMHC_BIG_ENDIAN_MMIO - * - * mixed endian CONFIG_USB_ADMHC_LITTLE_ENDIAN _and_ - * CONFIG_USB_OHCI_BIG_ENDIAN_{MMIO,DESC} - * - * (If you have a mixed endian controller, you -must- also define - * CONFIG_USB_ADMHC_LITTLE_ENDIAN or things will not work when building - * both your mixed endian and a fully big endian controller support in - * the same kernel image). - */ - -#ifdef CONFIG_USB_ADMHC_BIG_ENDIAN_DESC -#ifdef CONFIG_USB_ADMHC_LITTLE_ENDIAN -#define big_endian_desc(ahcd) (ahcd->flags & OHCI_QUIRK_BE_DESC) -#else -#define big_endian_desc(ahcd) 1 /* only big endian */ -#endif -#else -#define big_endian_desc(ahcd) 0 /* only little endian */ -#endif - -#ifdef CONFIG_USB_ADMHC_BIG_ENDIAN_MMIO -#ifdef CONFIG_USB_ADMHC_LITTLE_ENDIAN -#define big_endian_mmio(ahcd) (ahcd->flags & OHCI_QUIRK_BE_MMIO) -#else -#define big_endian_mmio(ahcd) 1 /* only big endian */ -#endif -#else -#define big_endian_mmio(ahcd) 0 /* only little endian */ -#endif - -/* - * Big-endian read/write functions are arch-specific. - * Other arches can be added if/when they're needed. - * - * REVISIT: arch/powerpc now has readl/writel_be, so the - * definition below can die once the STB04xxx support is - * finally ported over. - */ -#if defined(CONFIG_PPC) && !defined(CONFIG_PPC_MERGE) -#define readl_be(addr) in_be32((__force unsigned *)addr) -#define writel_be(val, addr) out_be32((__force unsigned *)addr, val) -#endif - -static inline unsigned int admhc_readl(const struct admhcd *ahcd, - __hc32 __iomem *regs) -{ -#ifdef CONFIG_USB_ADMHC_BIG_ENDIAN_MMIO - return big_endian_mmio(ahcd) ? - readl_be(regs) : - readl(regs); -#else - return readl(regs); -#endif -} - -static inline void admhc_writel(const struct admhcd *ahcd, - const unsigned int val, __hc32 __iomem *regs) -{ -#ifdef CONFIG_USB_ADMHC_BIG_ENDIAN_MMIO - big_endian_mmio(ahcd) ? - writel_be(val, regs) : - writel(val, regs); -#else - writel(val, regs); -#endif -} - -static inline void admhc_writel_flush(const struct admhcd *ahcd) -{ -#if 0 - /* TODO: remove? */ - (void) admhc_readl(ahcd, &ahcd->regs->gencontrol); -#endif -} - - -/*-------------------------------------------------------------------------*/ - -/* cpu to ahcd */ -static inline __hc16 cpu_to_hc16(const struct admhcd *ahcd, const u16 x) -{ - return big_endian_desc(ahcd) ? - (__force __hc16)cpu_to_be16(x) : - (__force __hc16)cpu_to_le16(x); -} - -static inline __hc16 cpu_to_hc16p(const struct admhcd *ahcd, const u16 *x) -{ - return big_endian_desc(ahcd) ? - cpu_to_be16p(x) : - cpu_to_le16p(x); -} - -static inline __hc32 cpu_to_hc32(const struct admhcd *ahcd, const u32 x) -{ - return big_endian_desc(ahcd) ? - (__force __hc32)cpu_to_be32(x) : - (__force __hc32)cpu_to_le32(x); -} - -static inline __hc32 cpu_to_hc32p(const struct admhcd *ahcd, const u32 *x) -{ - return big_endian_desc(ahcd) ? - cpu_to_be32p(x) : - cpu_to_le32p(x); -} - -/* ahcd to cpu */ -static inline u16 hc16_to_cpu(const struct admhcd *ahcd, const __hc16 x) -{ - return big_endian_desc(ahcd) ? - be16_to_cpu((__force __be16)x) : - le16_to_cpu((__force __le16)x); -} - -static inline u16 hc16_to_cpup(const struct admhcd *ahcd, const __hc16 *x) -{ - return big_endian_desc(ahcd) ? - be16_to_cpup((__force __be16 *)x) : - le16_to_cpup((__force __le16 *)x); -} - -static inline u32 hc32_to_cpu(const struct admhcd *ahcd, const __hc32 x) -{ - return big_endian_desc(ahcd) ? - be32_to_cpu((__force __be32)x) : - le32_to_cpu((__force __le32)x); -} - -static inline u32 hc32_to_cpup(const struct admhcd *ahcd, const __hc32 *x) -{ - return big_endian_desc(ahcd) ? - be32_to_cpup((__force __be32 *)x) : - le32_to_cpup((__force __le32 *)x); -} - -/*-------------------------------------------------------------------------*/ - -static inline u16 admhc_frame_no(const struct admhcd *ahcd) -{ - u32 t; - - t = admhc_readl(ahcd, &ahcd->regs->fmnumber) & ADMHC_SFN_FN_MASK; - return (u16)t; -} - -static inline u16 admhc_frame_remain(const struct admhcd *ahcd) -{ - u32 t; - - t = admhc_readl(ahcd, &ahcd->regs->fmnumber) >> ADMHC_SFN_FR_SHIFT; - t &= ADMHC_SFN_FR_MASK; - return (u16)t; -} - -/*-------------------------------------------------------------------------*/ - -static inline void admhc_disable(struct admhcd *ahcd) -{ - admhcd_to_hcd(ahcd)->state = HC_STATE_HALT; -} - -#define FI 0x2edf /* 12000 bits per frame (-1) */ -#define FSLDP(fi) (0x7fff & ((6 * ((fi) - 1200)) / 7)) -#define FIT ADMHC_SFI_FIT -#define LSTHRESH 0x628 /* lowspeed bit threshold */ - -static inline void periodic_reinit(struct admhcd *ahcd) -{ -#if 0 - u32 fi = ahcd->fminterval & ADMHC_SFI_FI_MASK; - u32 fit = admhc_readl(ahcd, &ahcd->regs->fminterval) & FIT; - - /* TODO: adjust FSLargestDataPacket value too? */ - admhc_writel(ahcd, (fit ^ FIT) | ahcd->fminterval, - &ahcd->regs->fminterval); -#else - u32 fit = admhc_readl(ahcd, &ahcd->regs->fminterval) & FIT; - - /* TODO: adjust FSLargestDataPacket value too? */ - admhc_writel(ahcd, (fit ^ FIT) | ahcd->fminterval, - &ahcd->regs->fminterval); -#endif -} - -static inline u32 admhc_read_rhdesc(struct admhcd *ahcd) -{ - return admhc_readl(ahcd, &ahcd->regs->rhdesc); -} - -static inline u32 admhc_read_portstatus(struct admhcd *ahcd, int port) -{ - return admhc_readl(ahcd, &ahcd->regs->portstatus[port]); -} - -static inline void admhc_write_portstatus(struct admhcd *ahcd, int port, - u32 value) -{ - admhc_writel(ahcd, value, &ahcd->regs->portstatus[port]); -} - -static inline void roothub_write_status(struct admhcd *ahcd, u32 value) -{ - /* FIXME: read-only bits must be masked out */ - admhc_writel(ahcd, value, &ahcd->regs->rhdesc); -} - -static inline void admhc_intr_disable(struct admhcd *ahcd, u32 ints) -{ - u32 t; - - t = admhc_readl(ahcd, &ahcd->regs->int_enable); - t &= ~(ints); - admhc_writel(ahcd, t, &ahcd->regs->int_enable); - /* TODO: flush writes ?*/ -} - -static inline void admhc_intr_enable(struct admhcd *ahcd, u32 ints) -{ - u32 t; - - t = admhc_readl(ahcd, &ahcd->regs->int_enable); - t |= ints; - admhc_writel(ahcd, t, &ahcd->regs->int_enable); - /* TODO: flush writes ?*/ -} - -static inline void admhc_intr_ack(struct admhcd *ahcd, u32 ints) -{ - admhc_writel(ahcd, ints, &ahcd->regs->int_status); -} - -static inline void admhc_dma_enable(struct admhcd *ahcd) -{ - u32 t; - - t = admhc_readl(ahcd, &ahcd->regs->host_control); - if (t & ADMHC_HC_DMAE) - return; - - t |= ADMHC_HC_DMAE; - admhc_writel(ahcd, t, &ahcd->regs->host_control); - admhc_vdbg(ahcd,"DMA enabled\n"); -} - -static inline void admhc_dma_disable(struct admhcd *ahcd) -{ - u32 t; - - t = admhc_readl(ahcd, &ahcd->regs->host_control); - if (!(t & ADMHC_HC_DMAE)) - return; - - t &= ~ADMHC_HC_DMAE; - admhc_writel(ahcd, t, &ahcd->regs->host_control); - admhc_vdbg(ahcd,"DMA disabled\n"); -} |